Line concentration box for radio and television engineering

Abstract

The utility model relates to the technical field of line concentration boxes, and discloses a line concentration box for radio and television engineering, which comprises two L-shaped fixed support plates, and limiting grooves are formed in close sides of the two L-shaped fixed support plates, namely the sides away from the outer parts of the two L-shaped fixed support plates. Two sliding limiting columns are slidably connected to the sides, close to each other, of the two L-shaped fixed supporting plates, namely the sides, away from the outer portions of the two L-shaped fixed supporting plates, of the two L-shaped fixed supporting plates, and arc-shaped clamping plates are fixedly connected to the sides, close to each other, of the two sliding limiting columns, namely the sides, away from the outer portions of the two sliding limiting columns, of the two sliding limiting columns. According to the utility model, the electric wires penetrate upwards from the bottom of the wire concentration box body, the arc-shaped clamping plates can adapt to cables with different sizes, and the second circular limiting plate and the first circular limiting plate are arranged in the wire concentration box body for carding, so that the effect of regularly and neatly fixing the electric wires in the wire concentration box body is realized.

Description

Technical Field

[0001] This utility model relates to the field of junction box technology, and in particular to a junction box used in broadcasting and television engineering. Background Technology

[0002] Broadcast television engineering refers to the entire process of engineering activities in the field of broadcast television, including the design, construction, installation, commissioning, and maintenance of equipment, technologies, and systems. Its purpose is to provide technical support and guarantees for all aspects of broadcast television program production, transmission, and broadcasting, ensuring that broadcast television signals are transmitted to the audience efficiently and stably. A junction box is a device used for connecting and protecting cables and lines. Its main function is to concentrate multiple power lines, communication lines, and data lines into one box, achieving line distribution, switching, and access through internal branching and connection points. Junction boxes are commonly used in electrical, communication, and data transmission fields, such as network cabling, telephone lines, and power cables. The design and use of junction boxes effectively avoid line clutter and chaos, provide better line protection, and facilitate maintenance and management.

[0003] In existing technologies, hub boxes in some broadcast television projects typically consist of input ports, output ports, signal distribution units, and a casing. Their main function is to receive broadcast and television signals from multiple signal sources and distribute the signals evenly to multiple output ports through the internal distribution unit, ensuring that the signals can be transmitted to each receiving terminal. Used in cable television systems and broadcast networks, they employ both active and passive distribution methods to ensure undamaged signal quality and avoid signal attenuation and interference.

[0004] However, in actual use, some junction boxes usually adopt a fixed clamping structure and are designed for wires of specific sizes and shapes. This makes them unable to flexibly adapt to wires of different specifications and shapes in practical applications, which can easily lead to loosening and damage of wires during use, thereby affecting the stable transmission of signals. In order to address the above problems, a junction box for broadcast television engineering is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a junction box for broadcasting and television engineering, which aims to improve the problem that some existing devices cannot accommodate wires of different sizes.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A junction box for broadcast television engineering includes a junction box body, with multiple clamping mechanisms fixedly connected to the top inner and outer sides of the junction box body, fixed protective shells fixedly connected to the left and right sides of the outer side of the junction box body, and heat dissipation mechanisms fixedly connected to the inside of the fixed protective shells.

[0008] The clamping mechanism includes two L-shaped fixed support plates. The bottom of the L-shaped fixed support plates is fixedly connected to the inner and outer top of the junction box. A limiting groove is formed on the side of the two L-shaped fixed support plates that is close to each other, i.e., the side away from the two L-shaped fixed support plates. Two sliding limiting posts are slidably connected to the side of the two L-shaped fixed support plates that is close to each other, i.e., the side away from the two sliding limiting posts. An arc-shaped clamping plate is fixedly connected to the side of the two arc-shaped clamping plates that is close to each other, i.e., the side away from the two arc-shaped clamping plates. A spring component is fixedly connected to the inner middle of the junction box.

[0009] As a further description of the above technical solution:

[0010] The heat dissipation mechanism includes two fixed cooling fans. The fixed cooling fans are externally fixedly connected to the inside of the fixed protective shell. Fixed heat dissipation plates are fixedly connected to the left and right sides of the inside of the junction box.

[0011] As a further description of the above technical solution:

[0012] The elastic component includes a connecting telescopic column, the two outer ends of which are fixedly connected to the adjacent side of the two arc-shaped clamping plates, i.e. the outer side away from the two arc-shaped clamping plates, and a connecting spring is sleeved on the outside of the connecting telescopic column.

[0013] As a further description of the above technical solution:

[0014] The limiting component includes a fixed connecting plate. The left and right ends of the fixed connecting plate are fixedly connected to the inside of the junction box. Multiple fixed connecting blocks are fixedly connected to the front and rear ends of the fixed connecting plate. A first circular limiting plate is fixedly connected to the upper end of the fixed connecting block, and a second circular limiting plate is fixedly connected to the lower end of the fixed connecting block.

[0015] As a further description of the above technical solution:

[0016] The junction box is slidably connected to a sliding protective door, and a square handle is fixedly connected to the other end of the sliding protective door for easy manual opening and closing of the junction box.

[0017] As a further description of the above technical solution:

[0018] One end of the sliding protective door is fixedly connected to a limiting connecting post, and the upper and lower ends of the limiting connecting post are slidably connected to the upper and lower holes on the outside of the junction box.

[0019] As a further description of the above technical solution:

[0020] The outside of the junction box is provided with multiple circular heat dissipation holes, and the top of both the inner and outer sides of the junction box is provided with multiple wire passing holes.

[0021] As a further description of the above technical solution:

[0022] The outer side of the arc-shaped clamping plate is fixedly connected with protective sponge, and the side of the two arc-shaped clamping plates that is close to each other, that is, the side that is away from the outer side of the two arc-shaped clamping plates, is fixedly connected to the outside of the connecting spring.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the wires are passed upward from the bottom of the junction box. Because the top and inside of the junction box are fixedly connected to an L-shaped fixed support plate, and a sliding limiting post and an arc-shaped clamping plate are slidably connected inside the L-shaped fixed support plate, and there is a connecting telescopic post and a connecting spring between the two arc-shaped clamping plates, the arc-shaped clamping plate can adapt to cables of different sizes. Inside the junction box, there are a second circular limiting plate and a first circular limiting plate for sorting, thus achieving the effect of neat and orderly fixing of the wires inside the junction box.

[0025] 2. In this utility model, different holes are opened on the four sides of the junction box for heat dissipation and ventilation inside the junction box. Cooling fans are installed on both sides of the junction box and, with the cooperation of a fixed heat dissipation plate, the interior of the junction box is further cooled, thus achieving efficient heat dissipation of the junction box. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a junction box for broadcasting and television engineering proposed in this utility model;

[0027] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 for Figure 1 Enlarged view of point b in the middle;

[0029] Figure 4 This is a schematic diagram of the structure of an arc-shaped clamping plate for a junction box used in broadcasting and television engineering, as proposed in this utility model.

[0030] Figure 5 This is a schematic diagram of the structure of an L-shaped fixing support plate for a junction box used in broadcasting and television engineering, as proposed in this utility model.

[0031] Legend:

[0032] 1. Junction box body; 2. Cable hole; 3. L-shaped fixed support plate; 4. Limiting groove; 5. Sliding limiting post; 6. Arc-shaped clamping plate; 7. Protective sponge; 8. Connecting telescopic post; 9. Connecting spring; 10. Fixed connecting plate; 11. Fixed connecting block; 12. First circular limiting plate; 13. Second circular limiting plate; 14. Fixed protective shell; 15. Fixed cooling fan; 16. Fixed heat dissipation plate; 17. Sliding protective door; 18. Limiting connecting post. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1 to 3 This utility model provides an embodiment of a junction box for broadcast television engineering, comprising a junction box body 1. The junction box body 1 is generally rectangular in shape, used to protect the internal wires and structure. Multiple clamping mechanisms are fixedly connected to the inner and outer tops of the junction box body 1. Each clamping mechanism includes two L-shaped fixed support plates 3, which are bent from stainless steel plates. Their bottoms are tightly fixed to the inner and outer tops of the junction box body 1 by welding, providing a solid support foundation for the entire clamping mechanism. The bottoms of the L-shaped fixed support plates 3 are fixedly connected to the inner and outer tops of the junction box body 1. A limiting groove 4 is formed on the side of the two L-shaped fixed support plates 3 that is close to each other (i.e., the side furthest from the two L-shaped fixed support plates 3). The limiting groove 4 is rectangular, used to limit the sliding direction and range of the sliding limiting post 5. Two sliding limit posts 5 are slidably connected to the outer side of each L-shaped fixed support plate 3. The sliding limit posts 5 are cylindrical and have a finely polished, smooth surface to allow them to slide smoothly on the L-shaped fixed support plate 3. An arc-shaped clamping plate 6 is fixedly connected to the outer side of the two sliding limit posts 5 that is close to each other. The arc-shaped clamping plate 6 is semi-circular and can ensure that the clamping plate has sufficient strength and can produce a certain elastic deformation when subjected to force, so as to better adapt to the clamping requirements of cables of different diameters. A protective sponge 7 is fixedly connected to the outer side of the arc-shaped clamping plate 6. The protective sponge 7 is soft and can effectively protect the cable surface from being scratched by the clamping plate, while further enhancing the fixing effect of the cable. The outer side of the two arc-shaped clamping plates 6 that is close to each other is fixedly connected to the outer side of the connecting spring 9.

[0035] An elastic component is fixedly connected to the side of the two arc-shaped clamping plates 6 that is close to each other, i.e., the side away from the two arc-shaped clamping plates 6. The elastic component includes a connecting telescopic post 8, which is cylindrical. Its two outer ends are firmly fixed to the side of the two arc-shaped clamping plates 6 that is close to each other by welding. The two outer ends of the connecting telescopic post 8 are fixedly connected to the side of the two arc-shaped clamping plates 6 that is close to each other, i.e., the side away from the two arc-shaped clamping plates 6. A connecting spring 9 is sleeved on the outside of the connecting telescopic post 8. The connecting spring 9 is spiral. When the cable is placed between the two arc-shaped clamping plates 6, the cable will open the arc-shaped clamping plates 6, causing the connecting spring 9 to be compressed. The connecting telescopic post 8 will then expand and contract to a certain extent. The elastic force generated by the connecting spring 9 will drive the two arc-shaped clamping plates 6 to tightly clamp the cable, ensuring that the cable will not move easily in the junction box 1. Furthermore, due to the elasticity of the connecting spring 9, it can adapt to the clamping of cables of different diameters and always maintain a suitable clamping force.

[0036] A limiting component is fixedly connected to the middle of the inside of the junction box 1. The limiting component includes a fixed connecting plate 10, which is rectangular in shape. Its left and right ends are welded to the inside of the junction box 1 to provide lateral support and connection. The left and right ends of the fixed connecting plate 10 are fixedly connected to the inside of the junction box 1. Multiple fixed connecting blocks 11 are fixedly connected to the front and rear ends of the fixed connecting plate 10. The fixed connecting blocks 11 are block-shaped. A first circular limiting plate 12 is fixedly connected to the upper part of the fixed connecting block 11. The first circular limiting plate 12 is semi-circular and its opening faces left to limit and fix the wire. A second circular limiting plate 13 is fixedly connected to the lower part of the fixed connecting block 11. The second circular limiting plate 13 is semi-circular and its opening faces right. The function of the first circular limiting plate 12 and the second circular limiting plate 13 is to longitudinally limit the cable, prevent the cable from jumping up and down inside the junction box 1, and further ensure the stability of the cable.

[0037] Reference Figure 1 , Figure 4 and Figure 5The junction box 1 has fixed protective shells 14 on its left and right sides. These shells are rectangular and effectively protect the junction box 1 from external impacts and damage. A heat dissipation mechanism is fixedly connected inside the protective shells 14 to dissipate the heat generated by the junction box 1 during operation, ensuring stable operation. The heat dissipation mechanism includes two fixed cooling fans 15, which are circular. When the fans start, their blades rotate at high speed, quickly drawing out hot air from inside the junction box 1, accelerating airflow, and achieving heat dissipation. For thermal performance, the external fixed cooling fan 15 is fixedly connected to the inside of the fixed protective shell 14. Fixed heat dissipation plates 16 are fixedly connected to both the left and right sides of the inside of the junction box 1. The fixed heat dissipation plates 16 are rectangular and can quickly absorb the heat inside the junction box 1 and conduct the heat to the surrounding air to assist the cooling fan in heat dissipation and further improve the heat dissipation efficiency. A sliding protective door 17 is slidably connected inside the junction box 1. The sliding protective door 17 is rectangular and a square handle is fixedly connected to the other end of the sliding protective door 17 for easy manual opening and closing of the junction box 1.

[0038] One end of the sliding protective door 17 is fixedly connected to a limiting connecting post 18. The limiting connecting post 18 is cylindrical, and its upper and lower ends are adapted to the upper and lower openings on the outside of the junction box 1 to achieve a sliding connection. Through the cooperation between the limiting connecting post 18 and the external openings of the junction box 1, the sliding protective door 17 can slide smoothly left and right on the junction box 1, which is convenient for operators to operate and maintain the inside of the junction box 1. The upper and lower ends of the limiting connecting post 18 are slidably connected to the upper and lower openings on the outside of the junction box 1. The outside of the junction box 1 is provided with multiple circular heat dissipation holes. Multiple wire-passing holes 2 are provided on both the inner and outer tops of the junction box 1. The wire-passing holes 2 are circular to facilitate the entry and exit of cables into and out of the junction box 1, while ensuring the smoothness of the cables during the wire-passing process.

[0039] Working principle: First, the wire passes through the bottom of the junction box 1 and is guided into the junction box through the L-shaped fixed support plate 3 at the top and inside. Inside the junction box, the sliding limit post 5 is connected to the arc-shaped clamping plate 6 to form a clamping mechanism, which can be adjusted according to the different diameters of the cable. The cable is placed between the two arc-shaped clamping plates 6. During this process, the connecting spring 9 is compressed, and the resulting elastic force ensures that the clamping plates tightly clamp the cable and prevent it from moving inside the junction box. At the same time, the junction box 1 is equipped with a limiting component, including a first circular limiting plate 12 and a second circular limiting plate 13. Because the opening directions of the first circular limiting plate 12 and the second circular limiting plate 13 are opposite, they can longitudinally limit the cable and ensure its stability.

[0040] In addition, the outside of the junction box 1 is provided with multiple heat dissipation holes to promote air circulation, and fixed cooling fans 15 are installed on both sides to accelerate heat dissipation. The fixed heat dissipation plate 16 helps to absorb the heat generated inside the junction box, further improving the heat dissipation efficiency. When maintenance or operation is required, the staff can open the junction box through the sliding protective door 17, and the limiting connecting post 18 ensures that the door slides smoothly.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hub for broadcast television engineering comprising a hub body (1) characterised in that: The inner and outer top of the hub box body (1) is fixedly connected with a plurality of clamping mechanisms, the left and right sides of the outer part of the hub box body (1) is fixedly connected with a fixed protective shell (14), the inner part of the fixed protective shell (14) is fixedly connected with a heat dissipation mechanism; The clamping mechanism comprises two L-shaped fixed support plates (3), the bottom of the L-shaped fixed support plate (3) is fixedly connected with the inner and outer top of the hub box body (1), the side close to the two L-shaped fixed support plates (3) is provided with a limiting groove (4), the side close to the two L-shaped fixed support plates (3) is slidably connected with two sliding limiting columns (5), the side close to the two sliding limiting columns (5) is fixedly connected with an arc-shaped clamping plate (6), the side close to the two arc-shaped clamping plates (6) is fixedly connected with a elastic component, and the inner part of the hub box body (1) is fixedly connected with a limiting component.

2. A headend for broadcast television engineering as recited in claim 1, characterized by: The heat dissipation mechanism comprises two fixed heat dissipation fans (15), the outer part of the fixed heat dissipation fan (15) is fixedly connected with the inner part of the fixed protective shell (14), and the left and right sides of the inner part of the hub box body (1) are fixedly connected with fixed heat dissipation plates (16).

3. A headend for broadcast television engineering as recited in claim 1, characterized by: The elastic component comprises a connecting telescopic column (8), the outer part of the connecting telescopic column (8) is fixedly connected with the side close to the two arc-shaped clamping plates (6), and the outer part of the connecting telescopic column (8) is sleeved with a connecting spring (9).

4. A headend for broadcast television engineering according to claim 1, characterized in that: The limiting component comprises a fixed connecting plate (10), the outer part of the fixed connecting plate (10) is fixedly connected with the inner part of the hub box body (1), the outer part of the fixed connecting plate (10) is fixedly connected with a plurality of fixed connecting blocks (11), the outer part of the fixed connecting block (11) is fixedly connected with a first circular limiting plate (12), and the outer part of the fixed connecting block (11) is fixedly connected with a second circular limiting plate (13).

5. A headend for broadcasting television engineering according to claim 1, characterized in that: The inner part of the hub box body (1) is slidably connected with a sliding protective door (17), the other end of the sliding protective door (17) is fixedly connected with a square handle, and the hub box body (1) is manually opened and closed.

6. A headend for broadcast television engineering according to claim 5, characterized in that: The inner part of the sliding protective door (17) is fixedly connected with a limiting connecting column (18), and the upper and lower ends of the limiting connecting column (18) are slidably connected with the upper and lower holes of the hub box body (1).

7. A headend for broadcast television engineering according to claim 6, characterized in that: The outer part of the hub box body (1) is provided with a plurality of circular heat dissipation holes, and the inner and outer top of the hub box body (1) is provided with a plurality of threading holes (2).

8. A headend for broadcast television engineering according to claim 3, characterized in that: The outer part of the arc-shaped clamping plate (6) is fixedly connected with a protective sponge (7), and the side close to the two arc-shaped clamping plates (6) is fixedly connected with the outer part of the connecting spring (9).

Images